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Fixed how allowance crowdsale checks remaining tokens. (#1449)

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(cherry picked from commit 1ac1ac984e)
This commit is contained in:
Nicolás Venturo
2018-10-19 15:12:16 -03:00
committed by Leo Arias
parent 984fe23a46
commit 47b5d61844
2 changed files with 16 additions and 1 deletions
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6
contracts/crowdsale/emission/AllowanceCrowdsale.sol
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@ -4,6 +4,7 @@ import "../Crowdsale.sol";
import "../../token/ERC20/IERC20.sol";
import "../../token/ERC20/SafeERC20.sol";
import "../../math/SafeMath.sol";
import "../../math/Math.sol";
/**
* @title AllowanceCrowdsale
@ -36,7 +37,10 @@ contract AllowanceCrowdsale is Crowdsale {
* @return Amount of tokens left in the allowance
*/
function remainingTokens() public view returns (uint256) {
return token().allowance(_tokenWallet, this);
return Math.min(
token().balanceOf(_tokenWallet),
token().allowance(_tokenWallet, this)
);
}
/**